East Anglia ONE OFTO

Offshore GridOperationalGB714 MW220 kV123 km

Basic Information

Also known as:East Anglia One OFTO, EA1 OFTO, TC East Anglia One OFTO Limited, TC East Anglia One OFTO Ltd, East Anglia One offshore transmission assets, Ofgem TR6 East Anglia One OFTO

Status:Operational

Capacity:714 MW

Transmission Model:Developer Build & Transfer

Owners:

International Public Partnerships Limited (INPP)(100%)

Project Company:

TC East Anglia One OFTO Limited

Type:offshore grid

Expected Life:22 years

Website:transmissioncapital.com

Description:

East Anglia One OFTO (EA1 OFTO) is the offshore transmission owner connection that carries export power from the 714 MW East Anglia One offshore wind farm to the GB onshore transmission network. The transmission system is an HVAC export connection operating at 220 kV and comprises an offshore substation platform...

Supply Chain (0)

Project Timeline (0)

No lifecycle events recorded yet.

Route

	Southern North Sea	Suffolk
Landfall	N/A	Bawdsey, Suffolk, United Kingdom
Grid Connection	—	Bramford 400 kV substation

Southern North Sea

Landfall:N/A

Grid:—

Suffolk

Landfall:Bawdsey, Suffolk, United Kingdom

Grid:Bramford 400 kV substation

Financial

£692.6M€915.1M adj.€10.42k/MW-km

www.ofgem.gov.uk (Dec 2022)

CAPEX:£692.6M

Adjusted to 2025¹:€915.1M

Cost Intensity¹:€10.42k per MW-km

Estimate Date:Dec 2022

Source:www.ofgem.gov.uk

Notes:

Final assessed transfer value (FTV) for the OFTO transmission assets per Ofgem; relates to the asset transfer to TC East Anglia One OFTO Ltd on 20 Dec 2022. Earlier indicative/ITV...

¹ Cost inflated in local currency then converted to euros (where applicable).

Cable Specifications

East Anglia One export cable system

Bawdsey, Suffolk, United Kingdom

2 × 220 kV HVAC · 714 MVA · 123 km

System:2 × 220 kV HVAC

Power rating:714 MVA

Route length:123 km(86 subsea · 37 land)

Collector Stations

Offshore Platform (GB)

East Anglia One offshore substation platform, United Kingdom

714 MW 220 kV · offshore

Rating:714 MW · 220 kV

Location:offshore

Bramford substation

Bramford substation (Bramford, Suffolk), United Kingdom

714 MW 400 kV · onshore

Rating:714 MW · 400 kV

Location:onshore